As a prisoner to the Japanese, you are not given much food, if any food at all, and you are not given medical attention when needed. There is not very good hygiene at all. Therefore, people die for various reasons. Malnutrition, becoming sick, or just dying from exhaustion. You start to feel sick and exhausted. Your best choice is to just keep moving and not say a word, or you could ask one of the Japanese for some food and medical attention. Which do you choose?